Alert archive / Georgia / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 40, NWS Columbia, SC

April 30, 2005Lincoln County, Georgia; McCormick County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Apr 30, 2005, 9:50 AM EDT for Lincoln County, Georgia; McCormick County, South Carolina. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 30, 2005, 9:50 AM EDT (13:50 UTC)
Expired: Apr 30, 2005, 10:30 AM EDT
In force: 40 min
Issued by: NWS Columbia, SC
Area: Counties, with a storm outline in the text

Counties Lincoln County, GA, McCormick County, SC

The radar

The Greer radar (KGSP), 119 km from the middle of the area, began a volume at 13:51 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 30, 9:40 AM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 1.8 hours before the alert went out and 200 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 787 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 536 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 301 m²/s²
0-3 km storm-relative helicity: 309 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 12.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS52 KCAE 301351
SVRCAE
GAC181-SCC065-301430-
/O.NEW.KCAE.SV.W.0040.050430T1350Z-050430T1430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
950 AM EDT SAT APR 30 2005

THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCCORMICK COUNTY IN CENTRAL SOUTH CAROLINA.
  LINCOLN COUNTY IN EAST CENTRAL GEORGIA.

* UNTIL 1030 AM EDT.

* AT 944 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 7 MILES EAST OF WASHINGTON...AND
  MOVING EAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  NEAR LINCOLNTON BY 955 AM EDT.
  NEAR MCCORMICK BY 1010 AM EDT.

THE TOWNS OF PLUM BRANCH AND PARKSVILLE ARE ALSO IN THE PATH OF THIS
SEVERE THUNDERSTORM.

REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE TOLL FREE AT 1, 8 0 0,
7 7 5, 7 1 9 9.

LAT...LON 3382 8269 3365 8262 3371 8221 3397 8204
      3400 8225

$$

RCC

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 30, 11:52 AM EDT	Severe Thunderstorm Warning	CAE	Lexington	38 min

Nearby

Severe Thunderstorm Warnings in Georgia, 2005 Severe Thunderstorm Warnings in South Carolina, 2005 Every severe thunderstorm warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.